San Antonio Spurs forward Tim Duncan, front, has the ball knocked loose by Toronto Raptors forward Amir Johnson during the first half of an NBA basketball game in Toronto on Tuesday, Dec. 10, 2013. (AP Photo/The Canadian Press, Frank Gunn) less

San Antonio Spurs forward Tim Duncan, front, has the ball knocked loose by Toronto Raptors forward Amir Johnson during the first half of an NBA basketball game in Toronto on Tuesday, Dec. 10, 2013. (AP ... more

San Antonio Spurs guard Danny Green (4) battles for a rebound with teammate Tony Parker (9) and Toronto Raptors guard Kyle Lowry during the first half of an NBA basketball game in Toronto on Tuesday, Dec. 10, 2013. (AP Photo/The Canadian Press, Frank Gunn) less

San Antonio Spurs guard Danny Green (4) battles for a rebound with teammate Tony Parker (9) and Toronto Raptors guard Kyle Lowry during the first half of an NBA basketball game in Toronto on Tuesday, Dec. 10, ... more

Toronto Raptors guard Kyle Lowry, bottom, battles for a loose ball with San Antonio Spurs guard Marco Melinelli during the first half of an NBA basketball game in Toronto on Tuesday, Dec. 10, 2013. (AP Photo/The Canadian Press, Frank Gunn) less

Toronto Raptors guard Kyle Lowry, bottom, battles for a loose ball with San Antonio Spurs guard Marco Melinelli during the first half of an NBA basketball game in Toronto on Tuesday, Dec. 10, 2013. (AP ... more

San Antonio Spurs guard Danny Green, center, loses control of the ball to Toronto Raptors guard Kyle Lowry, right, and forward Austin Daye during the first half of an NBA basketball game in Toronto on Tuesday, Dec. 10, 2013. (AP Photo/The Canadian Press, Frank Gunn) less

San Antonio Spurs guard Danny Green, center, loses control of the ball to Toronto Raptors guard Kyle Lowry, right, and forward Austin Daye during the first half of an NBA basketball game in Toronto on Tuesday, ... more